The Rust Syndicate Office is located in the eastern part of Bleu Sector 4. It can only be entered after starting Main Mission 20: A Request from the Rust Syndicate.
| Item | Main Mission | Location | Details |
|---|---|---|---|
| TM100 Gunk Shot | Main Mission 24: Reaching Rank C | Obtained from Corbeau after defeating him |
| Item | Location | Details |
|---|---|---|
| Iron | To the left of the entrance |
| Trainer | Party | Location | Notes |
|---|---|---|---|
| Corbeau of the Rust Syndicate | Arbok lv.50 Gyarados lv.51 Roserade lv.51 (Mega) Scolipede lv.52 |
In his office on the second floor | This is the Rank D promotion match during Main Mission 24: Reaching Rank C. |